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Takahiro Hirai

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Patents Grantslast 30 patents

  • Information Patent Grant

    Electric tool
    • Patent number 11,418,094
    • Issue date Aug 16, 2022
    • KOKI HOLDINGS CO., LTD.
    • Akira Matsushita
    • B25 - HAND TOOLS PORTABLE POWER-DRIVEN TOOLS MANIPULATORS
  • Information Patent Grant

    Rotary impact tool
    • Patent number 10,994,393
    • Issue date May 4, 2021
    • KOKI HOLDINGS CO., LTD.
    • Tetsuhiro Harada
    • B25 - HAND TOOLS PORTABLE POWER-DRIVEN TOOLS MANIPULATORS
  • Information Patent Grant

    Portable working machine
    • Patent number 10,293,473
    • Issue date May 21, 2019
    • KOKI HOLDINGS CO., LTD.
    • Takahiro Hirai
    • B25 - HAND TOOLS PORTABLE POWER-DRIVEN TOOLS MANIPULATORS
  • Information Patent Grant

    Portable working machine
    • Patent number 9,644,618
    • Issue date May 9, 2017
    • Hitachi Koki Co., Ltd.
    • Takahiro Hirai
    • B27 - WORKING OR PRESERVING WOOD OR SIMILAR MATERIAL NAILING OR STAPLING MACH...
  • Information Patent Grant

    Four-cycle engine, bush cutter and engine-driven tool having same
    • Patent number 8,701,621
    • Issue date Apr 22, 2014
    • Hitachi Koki Co., Ltd.
    • Takeshi Takeda
    • F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
  • Information Patent Grant

    Striking tool
    • Patent number 7,819,203
    • Issue date Oct 26, 2010
    • Hitachi Koki Co., Ltd.
    • Shinichiro Sato
    • B25 - HAND TOOLS PORTABLE POWER-DRIVEN TOOLS MANIPULATORS
  • Information Patent Grant

    Engine
    • Patent number D623197
    • Issue date Sep 7, 2010
    • Hitachi Koki Co., Ltd.
    • Satoshi Hotta
    • D15 - Machines not elsewhere specified
  • Information Patent Grant

    Engine blower
    • Patent number D591916
    • Issue date May 5, 2009
    • Hitachi Koki Co., Ltd.
    • Shingo Kosugi
    • D32 - Washing, cleaning, or drying machine

Patents Applicationslast 30 patents

  • Information Patent Application

    ELECTRIC TOOL
    • Publication number 20200052559
    • Publication date Feb 13, 2020
    • Koki Holdings Co., Ltd.
    • Akira MATSUSHITA
    • B25 - HAND TOOLS PORTABLE POWER-DRIVEN TOOLS MANIPULATORS
  • Information Patent Application

    Rotary Impact Tool
    • Publication number 20190030692
    • Publication date Jan 31, 2019
    • Koki Holdings Co., Ltd.
    • Tetsuhiro Harada
    • B25 - HAND TOOLS PORTABLE POWER-DRIVEN TOOLS MANIPULATORS
  • Information Patent Application

    PORTABLE WORKING MACHINE
    • Publication number 20160176037
    • Publication date Jun 23, 2016
    • Hitachi Koki Co., Ltd.
    • Takahiro Hirai
    • B25 - HAND TOOLS PORTABLE POWER-DRIVEN TOOLS MANIPULATORS
  • Information Patent Application

    PORTABLE WORKING MACHINE
    • Publication number 20140037482
    • Publication date Feb 6, 2014
    • Hitachi Koki Co., Ltd.
    • Takahiro HIRAI
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    FOUR-CYCLE ENGINE, BUSH CUTTER AND ENGINE-DRIVEN TOOL HAVING SAME
    • Publication number 20120180322
    • Publication date Jul 19, 2012
    • Takeshi Takeda
    • F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
  • Information Patent Application

    Striking tool
    • Publication number 20050269117
    • Publication date Dec 8, 2005
    • Hitachi Koki Co., Ltd.
    • Shinichiro Sato
    • B25 - HAND TOOLS PORTABLE POWER-DRIVEN TOOLS MANIPULATORS